AMZER Hybrid Warrior Impact Resistant Case Skin for Asus Zenfone Go 5.5 ZB551KL - Retail Packaging - Black Strength - double layer case with outer polycarbonate layer for serious impact resistance. Inner TPU layer withstand worst shocks. Protector - raised bezel protects screen from direct impact and when lying face-down on a table or dashboard. Volume & power button also protected by raised TPU. Design - outer polycarbonate layer featuring a rugged grenade molded design. Inner layer combines a Glossy and matte TPU increase durability and impact resistance. Fit - made specifically for your Asus Zenfone go (5.5 inch). precise cut-outs for charger, cable or headset. Easy Installation - just snap on your Device without any tools, also very easy to take off, no tools needed.